Alert archive / Michigan / Special Weather Statements in 2014
Special Weather Statement, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this special weather statement at May 21, 2014, 2:07 AM EDT for 15 counties in Michigan. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 21, 2014, 2:07 AM EDT (06:07 UTC)
- Expired
- May 21, 2014, 3:00 AM EDT
- In force
- 53 min
- Issued by
- NWS Grand Rapids, MI
Counties Allegan County, MI, Barry County, MI, Calhoun County, MI, Clinton County, MI, Eaton County, MI, Gratiot County, MI, Ingham County, MI, Ionia County, MI, Jackson County, MI, Kalamazoo County, MI, Kent County, MI, Montcalm County, MI, Muskegon County, MI, Ottawa County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 27 km from the middle of the area, began a volume at 06:07 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 6.1 hours before the alert went out and 178 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 82 J/kg
- Mixed-layer CIN
- -322 J/kg
- Mixed-layer LCL
- 1271 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 327 m²/s²
- 0-3 km storm-relative helicity
- 535 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
170
WWUS83 KGRR 210607
SPSGRR
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
207 AM EDT WED MAY 21 2014
MIZ044-046-050>052-056>059-064>067-071>074-210700-
ALLEGAN-BARRY-CALHOUN-CLINTON-EATON-GRATIOT-INGHAM-IONIA-ISABELLA-
JACKSON-KALAMAZOO-KENT-MONTCALM-MUSKEGON-NEWAYGO-OTTAWA-VAN BUREN-
207 AM EDT WED MAY 21 2014
...SIGNIFICANT WEATHER ADVISORY...
AT 200 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FAIRLY WIDESPREAD THUNDERSTORMS OCCURRING ACROSS SOUTHWEST LOWER
MICHIGAN FROM MUSKEGON TO ALMA SOUTHWARD. THUNDERSTORMS WERE MOVING
TO THE EAST AT 25 MPH.
STORMS ARE CAPABLE OF PRODUCING FREQUENT CLOUD TO GROUND
LIGHTNING...TORRENTIAL DOWNPOURS WITH RAINFALL RATES OF AN INCH PER
HOUR AND PEA SIZED HAIL.
LOCATIONS IMPACTED INCLUDE...
HOWARD CITY... ALMA... ST. JOHNS...
STANTON... EDMORE... PORTLAND...
ITHACA... BANNISTER... EAGLE...
SPRINGPORT... CONCORD... MARSHALL...
DEWITT... MCBRIDE... SUNFIELD...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN A
STURDY STRUCTURE UNTIL THIS STORM HAS PASSED. A SEVERE THUNDERSTORM
WATCH REMAINS IN EFFECT UNTIL 500 AM EDT WEDNESDAY MORNING FOR
SOUTHWESTERN MICHIGAN.
&&
LAT...LON 4207 8622 4224 8623 4225 8637 4259 8623
4296 8623 4313 8628 4345 8646 4347 8436
4278 8436 4277 8415 4207 8413
TIME...MOT...LOC 0601Z 266DEG 21KT 4285 8508
$$
DUKEThe office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 8:10 PM EDT | Special Marine Warning | GRR | 110 min | |
| May 20, 10:00 PM EDT | Special Marine Warning | GRR | 90 min | |
| May 20, 10:47 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Van Buren | 58 min |
| May 20, 11:30 PM EDT | Special Marine Warning | GRR | 90 min | |
| May 20, 11:41 PM EDT | Severe Thunderstorm Warning | GRR | Barry, Calhoun, Eaton | 49 min |
| May 21, 12:02 AM EDT | Severe Thunderstorm Warning | GRR | Allegan, Van Buren | 58 min |
| May 21, 12:37 AM EDT | Areal Flood Advisory | GRR | Allegan | 10 hr |
| May 21, 12:56 AM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo, Van Buren | 64 min |
| May 21, 1:51 AM EDT | Areal Flood Advisory | GRR | Kalamazoo, Van Buren | 9 hr |
| May 21, 3:19 AM EDT | Special Weather Statement | GRR | Barry | 56 min |
| May 21, 4:14 AM EDT | Special Weather Statement | GRR | Kalamazoo | 61 min |
| May 21, 6:52 AM EDT | River Flood Warning | GRR | Clinton | 4 days |
| May 21, 10:42 AM EDT | Marine Dense Fog Advisory | GRR | 17 hr |
Nearby
Special Weather Statements in Michigan, 2014Every special weather statement in 2014
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.